<template>
	<div class="menus3">
		<el-radio-group v-model="isCollapse" style="margin-bottom: 20px;">
		  <el-radio-button :label="false">展开</el-radio-button>
		  <el-radio-button :label="true">收起</el-radio-button>
		</el-radio-group>
		<el-menu default-active="1-4-1" class="el-menu-vertical-demo" @open="handleOpen" @close="handleClose" :collapse="isCollapse">
		  <el-submenu index="1">
			<template slot="title">
			  <i class="el-icon-location"></i>
			  <span slot="title">导航一</span>
			</template>
			<el-menu-item-group>
			  <span slot="title">分组一</span>
			  <el-menu-item index="1-1">选项1</el-menu-item>
			  <el-menu-item index="1-2">选项2</el-menu-item>
			</el-menu-item-group>
			<el-menu-item-group title="分组2">
			  <el-menu-item index="1-3">选项3</el-menu-item>
			</el-menu-item-group>
			<el-submenu index="1-4">
			  <span slot="title">选项4</span>
			  <el-menu-item index="1-4-1">选项1</el-menu-item>
			</el-submenu>
		  </el-submenu>
		  <el-menu-item index="2">
			<i class="el-icon-menu"></i>
			<span slot="title">导航二</span>
		  </el-menu-item>
		  <el-menu-item index="3" disabled>
			<i class="el-icon-document"></i>
			<span slot="title">导航三</span>
		  </el-menu-item>
		  <el-menu-item index="4">
			<i class="el-icon-setting"></i>
			<span slot="title">导航四</span>
		  </el-menu-item>
		</el-menu>
	</div>
</template>

<script>
	export default {
		data() {
		  return {
			isCollapse: true
		  };
		},
		methods: {
		  handleOpen(key, keyPath) {
			console.log(key, keyPath);
		  },
		  handleClose(key, keyPath) {
			console.log(key, keyPath);
		  }
		}
	}
</script>

<style>
.el-menu-vertical-demo:not(.el-menu--collapse) {
    width: 200px;
    min-height: 400px;
  }
</style>
